Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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